ArticleNeuroimmunomodulation2016
Sustained Effects of Neonatal Systemic Lipopolysaccharide on IL-1β and Nrf2 in Adult Rat Substantia Nigra Are Partly Normalized by a Spirulina-Enriched Diet.
Article in Neuroimmunomodulation, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- Article
- Microalgae and exercise: from molecular mechanisms and brain health to clinical perspectives in the context of 3P medicine.The EPMA journal · 2025Review
- Spirulina Microalgae and Brain Health: A Scoping Review of Experimental and Clinical Evidence.Marine drugs · 2021Article
- Effect of Neuroinflammation on Synaptic Organization and Function in the Developing Brain: Implications for Neurodevelopmental and Neurodegenerative Disorders.Frontiers in cellular neuroscience · 2017Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
BACKGROUND/
aimNeonatal infection can sensitize the adult substantia nigra (SN) to secondary insults, causing a decrease in antioxidant capacity which may lead to Parkinson's disease in adults. We studied the prolonged effect of systemic infection by (i.p.) administration of lipopolysaccharide (LPS) on interleukin (IL)-1β, the antioxidant regulator nuclear factor-erythroid 2-related factor 2 (Nrf2), and the peroxisome proliferator-activated receptor γ coactivator (PGC)-1α in rat SN. METHOD AND
resultsFive-day-old rat pups were treated with LPS (i.p. 2 mg/kg). After 65 days, the mRNA level of IL-1β was significantly increased, in parallel with a decrease in that of the rate-limiting enzyme in glutathione synthesis, the γ-glutamylcysteine ligase catalytic subunit (γGCLc), Nrf2, and brain-derived neurotrophic factor (BDNF). Protein levels of γGCLc and Nrf2 were decreased while IL-1β protein was significantly increased. These LPS-induced long-term changes correlated with a decrease in phosphorylated (active) AKT (pAKT) and phosphorylated (inactive) GSK-3β (pGSK-3β). In another set of experiments, a 0.1% Spirulina-containing diet was given to lactating mothers 24 h before the LPS treatment of the pups. The Spirulina-supplemented diet decreased IL-1β protein expression in SN and elevated the mRNA level of γGCLc, Nrf2 protein, PGC-1α protein, and pAKT.
conclusionEarly-life infection can negatively affect Nrf2, pAKT, and pGSK-3β for a long time in SN. A diet enriched with antioxidant and anti-inflammatory phytochemicals can partly restore some, but not all, of the effects on the antioxidant defense, possibly via normalizing effects on pAKT.
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